.themeToggleBtn{background:var(--bg-button-secondary,#ffffff0f);border:1px solid var(--border-color,#ffffff1a);color:var(--text-secondary,#cbd5e1);cursor:pointer;height:34px;font-size:var(--font-sm);font-weight:var(--fw-medium);-webkit-user-select:none;user-select:none;box-sizing:border-box;border-radius:8px;justify-content:center;align-items:center;gap:.4rem;padding:0 .75rem;font-family:inherit;line-height:1;transition:all .2s;display:inline-flex}.themeToggleBtn:hover{background:var(--bg-button-secondary-hover,#ffffff1f);color:var(--text-primary,#fff);border-color:var(--border-color-hover,#fff3);transform:translateY(-1px)}.themeToggleBtn:active{transform:translateY(0)}.themeIcon{align-items:center;font-size:.9rem;line-height:1;display:inline-flex}.themeLabel{font-size:var(--font-sm);line-height:1}@media (width<=768px){.themeToggleBtn .themeLabel{display:none}.themeToggleBtn{width:32px;height:32px;padding:0}}@media 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1.25rem;display:flex}.sidebarTitleGroup{align-items:center;gap:.75rem;display:flex}.sidebarLogo{font-size:1.25rem}.sidebarTitle{font-size:var(--font-base);font-weight:var(--fw-semibold);color:var(--text-primary);margin:0}.sidebarSubtitle{font-size:var(--font-xs);font-weight:var(--fw-regular);color:var(--text-secondary)}.sidebarCloseBtn{color:var(--text-secondary);font-size:var(--font-base);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.25rem;display:none}.sidebarCloseBtn:hover{color:var(--text-primary)}.userList{flex-direction:column;flex:1;gap:.4rem;padding:1rem;display:flex;overflow-y:auto}.userCard{border-radius:10px;align-items:center;gap:.75rem;padding:.5rem .65rem;transition:all .2s;display:flex}.userCard:hover{background:var(--user-card-hover)}.currentUserCard{background:#7c3aed1f;border:1px solid #7c3aed40}.userAvatar{color:#fff;width:32px;height:32px;font-weight:var(--fw-semibold);font-size:var(--font-sm);background:linear-gradient(135deg,#6366f1 0%,#a855f7 100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.userStatusDot{border:2px solid var(--online-dot-border);background-color:#22c55e;border-radius:50%;width:9px;height:9px;position:absolute;bottom:0;right:0}.userNameInfo{flex:1;justify-content:space-between;align-items:center;min-width:0;display:flex}.userNameText{color:var(--text-primary);font-size:var(--font-sm);font-weight:var(--fw-medium);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.youBadge{color:#fff;font-size:var(--font-xs);font-weight:var(--fw-semibold);background:#7c3aed;border-radius:9999px;margin-left:.5rem;padding:2px 6px}.emptyUsers{text-align:center;color:#64748b;font-size:var(--font-sm);font-weight:var(--fw-regular);padding:2rem 0}@media (width<=768px){.sidebarCloseBtn{display:block}}.sidebarFooter{border-top:1px solid var(--border-color);text-align:center;background:var(--bg-card);padding:.75rem 1rem}.sidebarFooter p{font-size:var(--font-xs);color:var(--text-muted);font-weight:var(--fw-medium);margin:0}.chatOuterContainer{background:var(--bg-gradient);justify-content:center;align-items:center;width:100vw;height:100vh;padding:1.5rem;transition:background .3s;display:flex;overflow:hidden}.chatMainWrapper{gap:1.25rem;width:100%;max-width:1100px;height:100%;max-height:900px;display:flex;position:relative}.sidebarDrawer{height:100%;display:flex}.chatCardContainer{background:var(--bg-card);border:1px solid var(--border-color);height:100%;box-shadow:var(--shadow-main);border-radius:16px;flex-direction:column;flex:1;min-width:0;transition:background-color .3s,border-color .3s,box-shadow .3s;display:flex;overflow:hidden}.connectionBanner{font-size:var(--font-xs);text-align:center;font-weight:var(--fw-medium);padding:.5rem 1rem}.connectionBanner.info{color:#93c5fd;background:#3b82f626;border-bottom:1px solid #3b82f633}.connectionBanner.error{color:#fca5a5;background:#ef444426;border-bottom:1px solid #ef444433}.sidebarBackdrop{display:none}@media (width<=768px){.chatOuterContainer{padding:0}.chatMainWrapper{gap:0;max-height:100vh}.chatCardContainer{border:none;border-radius:0}.sidebarDrawer{z-index:50;transition:transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%);box-shadow:10px 0 30px #000000b3}.sidebarDrawerOpen{transform:translate(0)}.sidebarBackdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:40;background:#0009;display:block;position:fixed;inset:0}}:root{--font-family-base:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-xs:.75rem;--font-sm:.875rem;--font-base:1rem;--font-lg:1.125rem;--font-xl:1.25rem;--font-2xl:1.75rem;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fs-normal:normal;--fs-italic:italic;--lh-tight:1.25;--lh-normal:1.5;--lh-relaxed:1.625;--ls-tight:-.02em;--ls-normal:0em;--ls-wide:.025em}:root,[data-theme=dark]{--bg-gradient:radial-gradient(circle at top, #1e1b4b 0%, #0f1117 70%);--bg-card:#181a24;--bg-card-secondary:#242735;--bg-input:#242735;--bg-input-focus:#2b2f40;--text-primary:#fff;--text-secondary:#94a3b8;--text-muted:#64748b;--border-color:#ffffff14;--border-color-hover:#fff3;--bg-button-secondary:#ffffff0f;--bg-button-secondary-hover:#ffffff1f;--shadow-main:0 20px 40px -15px #00000080;--bubble-other-bg:#242735;--bubble-other-text:#f1f5f9;--system-badge-bg:#ffffff14;--system-badge-border:#ffffff1f;--system-badge-text:#94a3b8;--user-card-hover:#ffffff0a;--online-dot-border:#181a24}[data-theme=light]{--bg-gradient:radial-gradient(circle at top, #ede9fe 0%, #f1f5f9 65%);--bg-card:#fff;--bg-card-secondary:#f8fafc;--bg-input:#f8fafc;--bg-input-focus:#fff;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#00000014;--border-color-hover:#00000029;--bg-button-secondary:#0000000d;--bg-button-secondary-hover:#00000017;--shadow-main:0 20px 40px -15px #00000014;--bubble-other-bg:#f1f5f9;--bubble-other-text:#0f172a;--system-badge-bg:#0000000d;--system-badge-border:#0000001a;--system-badge-text:#64748b;--user-card-hover:#0000000a;--online-dot-border:#fff}html,body{font-family:var(--font-family-base);font-size:16px;font-weight:var(--fw-regular);font-style:var(--fs-normal);line-height:var(--lh-normal);letter-spacing:var(--ls-normal);background-color:var(--bg-card,#0f1117);color:var(--text-primary,#f1f5f9);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;transition:background-color .3s,color .3s}button,input,optgroup,select,textarea{font-family:inherit;font-size:inherit;font-style:inherit;line-height:inherit}*{box-sizing:border-box}#root{width:100vw;height:100vh;overflow:hidden}.joinOuterContainer{background:var(--bg-gradient);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex;position:relative}.joinTopNav{position:absolute;top:1.5rem;right:1.5rem}.joinCard{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--shadow-main), 0 0 50px -25px #7c3aed26;border-radius:20px;flex-direction:column;width:100%;max-width:440px;padding:2.5rem 2rem;transition:background-color .3s,border-color .3s;display:flex}.joinHeader{text-align:center;margin-bottom:1.75rem}.joinLogo{margin-bottom:.5rem;font-size:2.5rem}.joinTitle{color:var(--text-primary);font-size:var(--font-2xl);font-weight:var(--fw-bold);letter-spacing:-.5px;margin:0 0 .4rem}.joinSubtitle{color:var(--text-secondary);font-size:var(--font-sm);font-weight:var(--fw-regular);margin:0}.joinError{color:#fca5a5;font-size:var(--font-sm);font-weight:var(--fw-medium);text-align:center;background-color:#ef444426;border:1px solid #ef44444d;border-radius:10px;margin-bottom:1.25rem;padding:.75rem 1rem}.joinForm{flex-direction:column;gap:1.25rem;display:flex}.inputGroup{flex-direction:column;gap:.5rem;display:flex}.inputLabel{font-size:var(--font-sm);font-weight:var(--fw-medium);color:var(--text-secondary)}.joinInput{background:var(--bg-input);border:1px solid var(--border-color);width:100%;color:var(--text-primary);font-size:var(--font-base);font-weight:var(--fw-regular);border-radius:12px;padding:.85rem 1.1rem;font-family:inherit;transition:all .2s}.joinInput:focus{background:var(--bg-input-focus);border-color:#8b5cf6;outline:none;box-shadow:0 0 0 3px #8b5cf640}.joinInput::placeholder{color:var(--text-muted);font-size:var(--font-sm)}.joinButton{color:#fff;font-size:var(--font-base);font-weight:var(--fw-semibold);cursor:pointer;background:linear-gradient(135deg,#7c3aed 0%,#6d28d9 100%);border:none;border-radius:12px;margin-top:.5rem;padding:.9rem 1.25rem;font-family:inherit;transition:all .2s;box-shadow:0 4px 14px #7c3aed66}.joinButton:hover{background:linear-gradient(135deg,#8b5cf6 0%,#7c3aed 100%);transform:translateY(-1px);box-shadow:0 6px 20px #7c3aed80}.joinButton:active{transform:translateY(0)}@media (width<=480px){.joinCard{padding:2rem 1.5rem}.joinTitle{font-size:var(--font-xl)}}.joinFooter{text-align:center;border-top:1px solid var(--border-color);margin-top:1.5rem;padding-top:1rem}.joinFooter p{font-size:var(--font-xs);color:var(--text-muted);font-weight:var(--fw-medium);letter-spacing:.3px;margin:0}